CN117552807A - Accelerator storage and injection device for concrete spraying vehicle - Google Patents
Accelerator storage and injection device for concrete spraying vehicle Download PDFInfo
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- CN117552807A CN117552807A CN202410049203.3A CN202410049203A CN117552807A CN 117552807 A CN117552807 A CN 117552807A CN 202410049203 A CN202410049203 A CN 202410049203A CN 117552807 A CN117552807 A CN 117552807A
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- pipeline
- fixedly connected
- accelerator
- stirring
- concrete
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- 239000004567 concrete Substances 0.000 title claims abstract description 97
- 238000005507 spraying Methods 0.000 title claims abstract description 58
- 238000002347 injection Methods 0.000 title claims abstract description 46
- 239000007924 injection Substances 0.000 title claims abstract description 46
- 238000003756 stirring Methods 0.000 claims abstract description 87
- 238000002156 mixing Methods 0.000 claims description 58
- 239000003638 chemical reducing agent Substances 0.000 claims description 26
- 239000002699 waste material Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 28
- 230000001681 protective effect Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000011378 shotcrete Substances 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 16
- 210000003437 trachea Anatomy 0.000 description 15
- 238000010276 construction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
- B28C7/163—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure using a pump
- B28C7/165—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure using a pump using a fluid, e.g. gas
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a concrete spraying vehicle accelerator storage and injection device, which belongs to the technical field of concrete storage, transportation and injection. According to the invention, high-pressure gas can be blown into the connecting tube seat through the stirring structure, the protective stirring barrel is driven to rotate under the action of the power blades, raw materials such as concrete and the like are stirred through the stirring shaft, an independent driving motor is not required to be arranged, the equipment cost is reduced, meanwhile, when the sprayed concrete is required to be sprayed, the pressure is increased through the first gas distribution tube, and meanwhile, the gas in the gas flow channel and the gas flow tube rapidly flows, so that the gas flow in the regulating tank is pumped into vacuum negative pressure, the accelerator spraying tube can be connected with the accelerator storage box, and the accelerator can be sprayed through the accelerator spraying tube.
Description
Technical Field
The invention belongs to the technical field of concrete storage, transportation and injection, and particularly relates to an accelerator storage and injection device for a concrete spraying vehicle.
Background
The concrete spraying vehicle is a special vehicle for spraying concrete in the construction engineering of tunnels, subways and the like. The device is special equipment integrating stirring, conveying and spraying, can mix prefabricated materials and water in proportion, and spray concrete to a designated position through compressed air to form a uniform and compact concrete protection layer so as to achieve the aims of support and water resistance.
The concrete spraying vehicle is generally composed of a vehicle body, a concrete stirring tank, a conveying pipe, an air compression system, a sprayer, a control system and the like. Wherein, the concrete mixing tank is responsible for stirring the concrete raw materials, and the portable conveyer pipe is carried the concrete to the sprayer, and air compression system then provides sufficient pressure and sprays the concrete on the surface that needs the construction.
The concrete spraying vehicle has the advantages of high construction speed, high construction efficiency, good construction quality and the like, and is widely applied to the construction process of building engineering.
When the concrete spraying truck is used in the prior art, firstly, concrete is stirred through a stirring structure, stirring is uniform, the concrete needs to be stirred all the time for preventing concrete from drying, and an accelerator needs to be added manually on site when spraying is needed, stirring is performed again, spraying is performed, the process steps before concrete spraying are complicated, the concrete stirring structure of the concrete spraying truck drives a stirring shaft to stir through a motor, and the structure needs to be added with an additional motor, so that the use cost of equipment is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the accelerator storage and injection device for the concrete guniting vehicle.
The technical scheme adopted for solving the technical problems is as follows: the accelerator storage injection device for the concrete spraying vehicle comprises a vehicle bed plate, wherein one side of the upper surface of the vehicle bed plate is fixedly connected with a vibrating screen mixing structure, the middle part of the lower surface of the vehicle bed plate is fixedly connected with an electric speed reducer, an adjusting groove is formed in the middle part of one side of the electric speed reducer, which is close to the vibrating screen mixing structure, and a mixing stirring pipeline is arranged at the position of the adjusting groove.
Through the technical scheme, the vehicle bed board can realize bearing and fixing the whole equipment, the vibrating screen mixing structure shakes and sieves the concrete raw material, the concrete raw material after qualified vibrating screen is stirred and mixed, the electric speed reducer provides power for rotation of the driving wheel, and the mixing stirring pipeline is arranged at the position of the regulating groove so as to spray the concrete and the accelerator.
The vibrating screen mixing structure comprises a pressurizing rotor body, a stirring structure is arranged at the top of the pressurizing rotor body, and a vibrating screen structure is arranged above the stirring structure.
Through above-mentioned technical scheme, the concrete after the pressurization rotor body will mix is stored to through the pressurization, stirring structure is evenly mixed the concrete raw materials stirring, and can screen the concrete raw materials through vibrating the sieve structure before the stirring, improves the quality of concrete.
Stirring structure is including the stirring mixing bin that the toper set up, stirring mixing bin inner wall position rotates and is connected with the protection agitator that is the toper setting, protection agitator inner wall position fixedly connected with a plurality of evenly distributed's power blade, protection agitator inner wall position fixedly connected with main back shaft that the level set up, main back shaft outer wall position runs through fixedly connected with a plurality of (mixing) shafts that are the slope setting.
Through above-mentioned technical scheme, stirring mixing bin holds the concrete raw materials that treats the stirring, and protection agitator can avoid concrete raw materials to cause the interference to power blade's work, and power blade drives protection agitator, main support axle and (mixing) shaft under the gaseous effect of high-speed flow and rotates, stirs concrete raw materials.
Further, a plurality of power blades are arranged in an arc shape, a connecting tube seat is fixedly connected to the outer wall of the stirring and mixing bin in a penetrating mode, and the diameter of the connecting tube seat is smaller than the distance between two power blades.
Through the technical scheme, the power blades arranged in the arc shape can realize directional rotation under the action of air flow of the connecting tube seat, and power is provided for the rotation of the power blades through the connecting tube seat.
Further, the vibrating screen structure comprises a vibrating screen disc, the bottom of the vibrating screen disc is in a conical shape, the conical position of the vibrating screen disc is located at the inner side of the stirring and mixing bin, a plurality of evenly distributed buffer springs are fixedly connected between the vibrating screen disc and the stirring and mixing bin, and the buffer springs are compression springs.
Through above-mentioned technical scheme, the sieve tray bears the weight of the concrete raw materials to screen the raw materials, improve the quality of concrete, buffer spring can support the sieve tray in stirring mixing bin position, and plays the effect of buffering at the sieve in-process that shakes, avoids causing sieve tray and stirring mixing bin to collide, has certain effect of making an uproar that falls.
Further, a waste discharge guide plate is arranged at one side of the upper surface of the vibrating screen plate, and a vibrating motor is fixedly connected to one side of the upper surface of the vibrating screen plate, which is far away from the waste discharge guide plate.
Through the technical scheme, unqualified raw materials of the vibrating screen are discharged through the waste discharge guide plate, normal vibrating screen work is prevented from being influenced by accumulation on the surface of the vibrating screen disc, and the vibrating motor provides power for vibrating of the vibrating screen disc.
Further, the accelerating agent storage box is fixedly connected to the upper surface of the vehicle bed plate at a position far away from the side of the pressurizing rotor body, the control box body is fixedly connected to the top of the accelerating agent storage box, and the control handle is fixedly connected to the upper surface of the vehicle bed plate at a position near the middle of the side of the accelerating agent storage box.
Through above-mentioned technical scheme, can store the accelerator through accelerator bin, control box is for placing the box of generator and air compressor, and control handle can promote the bed board, can realize shifting the equipment is whole, sprays concrete to different positions.
Further, two groups of symmetrically arranged driving wheels are arranged at the position of the electric speed reducer, a rotating shaft of each driving wheel is connected with a power output end of the electric speed reducer, and the electric speed reducer is a speed reducer based on a pneumatic motor.
Through the technical scheme, the electric speed reducer provides power for two groups of driving wheels, so that the driving wheels rotate to drive the lathe board to move, the labor force for moving the lathe board is reduced, the control direction of the handle is only required to be controlled, and the electric speed reducer is started to provide power through the air compressor and decelerate through the speed reducer.
Further, pipeline holder is fixedly connected with in control box one side middle part position, pipeline holder seat centre gripping fixedly connected with gas collecting channel, gas collecting channel position runs through fixedly connected with first minute trachea and second minute trachea, first minute trachea and second minute trachea all are provided with control valve with gas collecting channel junction, gas collecting channel one end is kept away from to the second minute trachea and is connected with the connection tube socket pipe.
Through the technical scheme, the pipeline clamping seat can clamp and fix the gas collecting pipeline, the first gas distributing pipe provides a gas source for the mixing stirring pipeline, the second gas distributing pipe provides a gas source for the stirring mixing bin, and the control valve controls the flow or cut-off of the gas flow.
Further, the mixing and stirring pipeline comprises a spraying pipeline, a pipeline connecting hole is formed in the outer wall of the spraying pipeline, close to the lathe plate, in a penetrating mode, and the outer wall of the spraying pipeline is connected with the adjusting groove in a damping rotation mode.
Through above-mentioned technical scheme, spray pipeline sprays out concrete and accelerator, and the first gas distribution pipe of convenient fixed mounting of pipeline connecting hole, and spray pipeline outer wall and adjustment tank damping rotation are connected, conveniently adjust the injection angle of concrete.
Further, the injection pipeline inner wall position fixedly connected with a plurality of groups of evenly distributed's pipeline fixing base, and every group pipeline fixing base position block is fixed with the accelerator injection pipe that is L shape setting, accelerator injection pipe inner wall position fixedly connected with throttling diaphragm, accelerator injection pipe outer wall position slope fixedly connected with air current pipeline, air current pipeline position pipeline connection has air current channel, injection pipeline is located pipeline connecting hole position and is the pipe connection with first minute trachea, air current channel keeps away from air current pipeline one end and extends to in the first minute trachea to with first minute trachea inner wall fixed connection.
Through the technical scheme, the accelerator injection pipe can be fixedly clamped through the pipeline fixing seat, high-pressure air flow can be conducted through the accelerator injection pipe, negative pressure is formed in the accelerator injection pipe, the accelerator is injected, the throttling diaphragm is used for plugging the accelerator, when negative pressure is formed in the accelerator injection pipe, the throttling diaphragm can be opened under the action of pressure, the accelerator can be injected, the air flow channel extends into the first air distribution pipe, and the air flow channel is prevented from being blocked by concrete.
The beneficial effects of the invention are as follows: (1) According to the invention, the stirring structure is arranged, the protective stirring barrel and the power blades are arranged in the stirring mixing bin of the stirring structure, the air compressor in the control box body is used for providing high-pressure air flow for the connecting pipe seat, the high-pressure air flow is introduced between the two power blades, the protective stirring barrel rotates at high speed under the action of the air flow, and the concrete raw materials are uniformly stirred under the action of the protective stirring barrel, the main support shaft and the stirring shaft, so that an independent driving motor is not required to be arranged when the concrete raw materials are stirred, the cost of equipment is saved, and the air compressor required by the equipment can be fully utilized; (2) According to the invention, the mixing stirring pipeline is arranged, when the stirred concrete is required to be sprayed, the concrete can be sprayed through the spraying pipeline through the pressurized rotor body, the first gas distribution pipe provides high-pressure gas for the spraying pipeline to spray the concrete, the pressure is provided for the spraying pipeline, the gas sprayed by the first gas distribution pipe enters the gas flow channel, so that the gas flow in the gas flow channel, the gas flow pipeline and the accelerator spraying pipe flows at a high speed, vacuum is formed in the accelerator spraying pipe, the pressure of the throttling diaphragm is suddenly reduced at one side away from the gas flow pipeline, the throttling diaphragm is opened, the accelerator spraying pipe pumps out the accelerator in the accelerator storage tank to spray together with the concrete, the accelerator is not required to be poured into the concrete temporarily before the concrete is sprayed, the stirring is performed, the preparation process of the concrete is simplified, and the efficiency of the concrete spraying is improved.
Drawings
FIG. 1 is a schematic view of a first view angle structure of an accelerator storage and spray device for a concrete spraying vehicle according to the present invention;
FIG. 2 is a schematic diagram of a second view angle structure of an accelerator storage and spray device for a concrete spraying vehicle according to the present invention;
FIG. 3 is a schematic perspective view of a vibrating screen mixing structure of an accelerator storage and spraying device for a concrete spraying vehicle;
FIG. 4 is a side cross-sectional view of the mixing structure of the accelerator storage and spraying device for the concrete spraying vehicle of the invention;
FIG. 5 is a schematic perspective view of the vibrating screen structure of the accelerator storage and spraying device for the concrete spraying vehicle;
FIG. 6 is a side cross-sectional view of the stirring structure of the accelerator storage and spray device for a concrete spraying vehicle according to the present invention;
FIG. 7 is a schematic perspective view of a mixing and stirring pipeline of an accelerator storage and spraying device for a concrete spraying vehicle;
fig. 8 is a partial cross-sectional view of an accelerator spray pipe of the accelerator storage and spray device for a concrete spraying vehicle according to the present invention.
Reference numerals: 1. a bed board; 2. an accelerator storage tank; 3. a driving wheel; 4. an electric decelerator; 5. pressurizing the rotor body; 6. mixing and stirring pipelines; 7. stirring and mixing the mixture in a bin; 8. a first gas distribution pipe; 9. a second gas-distributing pipe; 10. a gas collecting pipe; 11. a control valve; 12. a waste discharge guide plate; 13. a vibrating screen tray; 14. a buffer spring; 15. a vibration motor; 16. a control handle; 17. a control box body; 18. a pipe holder; 19. a connecting tube seat; 20. a power blade; 21. protective stirring barrel; 22. a main support shaft; 23. a stirring shaft; 24. an adjustment tank; 25. a jet pipe; 26. a pipe connection hole; 27. a pipe fixing seat; 28. an air flow duct; 29. an accelerator spray pipe; 30. an air flow channel; 31. a throttling diaphragm.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-4 and fig. 6, the accelerator storage and injection device for the concrete spraying vehicle of the embodiment comprises a vehicle bed board 1, wherein a vibrating screen mixing structure is fixedly connected to one side of the upper surface of the vehicle bed board 1, an electric speed reducer 4 is fixedly connected to the middle of the lower surface of the vehicle bed board 1, an adjusting groove 24 is formed in the middle of the electric speed reducer 4, which is close to one side of the vibrating screen mixing structure, a mixing stirring pipeline 6 is arranged at the position of the adjusting groove 24, the whole device can be fixedly borne by the vehicle bed board 1, the vibrating screen mixing structure shakes a concrete raw material, the qualified vibrating screen is stirred and mixed, the electric speed reducer 4 provides power for rotation of a driving wheel 3, and the mixing stirring pipeline 6 is arranged at the position of the adjusting groove 24 so that the concrete and the accelerator can be sprayed.
The electric speed reducer 4 is provided with two groups of symmetrically arranged driving wheels 3, the rotating shaft of the driving wheels 3 is connected with the power output end of the electric speed reducer 4, the electric speed reducer 4 is a speed reducer based on a pneumatic motor, the electric speed reducer 4 provides power for the two groups of driving wheels 3, the driving wheels 3 rotate to drive the vehicle bed board 1 to move, the labor force for moving the vehicle bed board 1 is reduced, only the control handle 16 is needed to control the direction, and the electric speed reducer 4 is started to provide power through an air compressor and decelerate through the speed reducer.
The accelerator storage box 2 is fixedly connected to the upper surface of the vehicle bed plate 1 at a position far away from the side of the pressurizing rotor body 5, the control box 17 is fixedly connected to the top of the accelerator storage box 2, the control handle 16 is fixedly connected to the middle of the side, close to the accelerator storage box 2, of the upper surface of the vehicle bed plate 1, the accelerator can be stored through the accelerator storage box 2, the control box 17 is a box body for placing a generator and an air compressor, the control handle 16 can push the vehicle bed plate 1, the whole equipment can be transferred, and concrete is sprayed at different positions.
The vibrating screen mixing structure comprises a pressurizing rotor body 5, a stirring structure is arranged at the top of the pressurizing rotor body 5, a vibrating screen structure is arranged above the stirring structure, the pressurizing rotor body 5 stores mixed concrete and uniformly stirs and mixes the concrete raw materials through pressurization, and the concrete raw materials can be screened through the vibrating screen structure before stirring, so that the quality of the concrete is improved.
The stirring structure includes the stirring mixing bin 7 that the toper set up, stirring mixing bin 7 inner wall position rotates and is connected with the protection agitator 21 that is the toper setting, protection agitator 21 inner wall position fixedly connected with a plurality of evenly distributed's power blade 20, a plurality of power blade 20 are convex setting, stirring mixing bin 7 outer wall position runs through fixedly connected with connection tube socket 19, the diameter of connection tube socket 19 is less than the distance between two power blade 20, the power blade 20 of convex setting can realize carrying out directional rotation under the air current effect of connection tube socket 19, provide power for power blade 20 rotation through connection tube socket 19, protection agitator 21 inner wall position fixedly connected with main support shaft 22 that the level set up, main support shaft 22 outer wall position runs through fixedly connected with a plurality of (mixing) shafts 23 that are the slope setting, stirring mixing bin 7 holds the concrete raw materials that wait to stir, protection agitator 21 can avoid the concrete raw materials to cause the interference to power blade 20's work, power blade 20 drives protection agitator 21 under the gas effect of high-speed flow, main support shaft 22 and stirring shaft 23 rotate, the concrete raw materials.
The middle part position fixedly connected with pipeline holder 18 in control box 17 one side, pipeline holder 18 position centre gripping fixedly connected with gas collecting channel 10, gas collecting channel 10 position runs through fixedly connected with first minute trachea 8 and second minute trachea 9, first minute trachea 8 and second minute trachea 9 all are provided with control valve 11 with gas collecting channel 10 junction, gas collecting channel 10 one end and connection tube seat 19 pipe connection are kept away from to second minute trachea 9, pipeline holder 18 can carry out the centre gripping with gas collecting channel 10 fixedly, first minute trachea 8 provides the air supply for mixing stirring pipeline 6, second minute trachea 9 provides the air supply for mixing stirring mixing bin 7, control valve 11 control the flow or the shutoff of air current.
As shown in fig. 7 and 8, the mixing and stirring pipeline 6 comprises an injection pipeline 25, a pipeline connecting hole 26 is formed in the outer wall of the injection pipeline 25, close to the position of the vehicle bed board 1, in a penetrating manner, the outer wall of the injection pipeline 25 is connected with the adjusting groove 24 in a damping rotation manner, the injection pipeline 25 injects concrete and accelerator out, the pipeline connecting hole 26 is convenient for fixedly installing the first gas distributing pipe 8, and the outer wall of the injection pipeline 25 is connected with the adjusting groove 24 in a damping rotation manner, so that the injection angle of the concrete is convenient to adjust.
The inner wall position of the injection pipeline 25 is fixedly connected with a plurality of groups of pipeline fixing seats 27 which are uniformly distributed, the position of each group of pipeline fixing seats 27 is fixedly clamped with an L-shaped setting accelerator injection pipe 29, the position of the inner wall of each accelerator injection pipe 29 is fixedly connected with a throttling diaphragm 31, the position of the outer wall of each accelerator injection pipe 29 is obliquely and fixedly connected with an air flow pipeline 28, the position of each air flow pipeline 28 is connected with an air flow channel 30, the injection pipeline 25 is positioned at a pipeline connecting hole 26 and is connected with the first air distribution pipe 8, one end of each air flow channel 30, far away from the air flow pipeline 28, extends into the first air distribution pipe 8 and is fixedly connected with the inner wall of the first air distribution pipe 8, the accelerator injection pipes 29 can be fixedly clamped through the pipeline fixing seats 27, high-pressure air flow can be conducted through the accelerator injection pipes 29, negative pressure is formed in the accelerator injection pipes 29, the throttling diaphragms 31 are used for injecting the accelerator, the throttling diaphragms 31 can be used for injecting the accelerator under the action of the pressure when the negative pressure is formed in the accelerator injection pipes 29, the air flow channels 30 can extend into the first air distribution pipe 8, and the air flow channels 30 are prevented from being blocked by concrete.
As shown in fig. 1-5, the vibrating screen structure comprises a vibrating screen disc 13, a waste discharge guide plate 12 is arranged at one side of the upper surface of the vibrating screen disc 13, a vibrating motor 15 is fixedly connected to one side of the upper surface of the vibrating screen disc 13, which is far away from the waste discharge guide plate 12, unqualified raw materials of the vibrating screen are discharged through the waste discharge guide plate 12, the phenomenon that normal vibrating screen work is influenced by the surface of the vibrating screen disc 13 is avoided, the vibrating motor 15 provides power for vibrating the vibrating screen disc 13, the bottom of the vibrating screen disc 13 is in a conical shape, the conical position of the vibrating screen disc 13 is positioned at the inner side of the stirring and mixing bin 7, a plurality of uniformly distributed buffer springs 14 are fixedly connected between the vibrating screen disc 13 and the stirring and mixing bin 7, the buffer springs 14 are compression springs, the vibrating screen disc 13 loads concrete raw materials and screens the raw materials, the quality of the concrete is improved, the buffer springs 14 can support the vibrating screen disc 13 at the position of the stirring and play a role of buffering in the vibrating screen process, and the vibrating screen disc 13 is prevented from colliding with the stirring and mixing bin 7, and a certain noise reducing effect is achieved.
The working principle of the embodiment is that the raw materials of concrete are placed on the surface of the vibrating screen disc 13 through external equipment, the vibrating motor 15 is started, so that the raw materials of concrete are vibrated on the surface of the vibrating screen disc 13, the concrete raw materials qualified in vibrating screen fall into the stirring and mixing bin 7, the concrete raw materials unqualified in vibrating screen are discharged through the waste discharge guide plate 12, and when the vibrating screen disc 13 is vibrated, the vibrating screen disc 13 is supported and buffered through the buffer spring 14, so that the vibrating screen disc 13 is prevented from colliding with the stirring and mixing bin 7;
starting a generator arranged in the control box body 17 to supply electric energy for an air compressor in the control box body 17, supplying air for the position of the air collecting pipeline 10 by the air compressor, opening a control valve 11 at the position of the second air dividing pipe 9, so that the second air dividing pipe 9 supplies high-pressure air to the stirring and mixing bin 7, enabling the power blade 20 to rotate to drive the protection stirring barrel 21 to rotate, stirring concrete raw materials through the main supporting shaft 22 and the stirring shaft 23, and after stirring uniformly, stirring concrete all the time before spraying to avoid concrete drying;
when the concrete needs to be sprayed, the control valve 11 at the position of the first gas distribution pipe 8 is opened again, so that the first gas distribution pipe 8 is filled with high-speed flowing air, the air flow channel 30, the air flow pipeline 28 and the accelerator spraying pipe 29 flow at high speed, negative pressure is formed in the accelerator spraying pipe 29, the throttling diaphragm 31 is opened, the accelerator stored in the accelerator storage box 2 is sprayed through the accelerator spraying pipe 29, meanwhile, the pressurized rotor body 5 sprays the concrete at high speed, the first gas distribution pipe 8 provides air pressure for the position of the spraying pipeline 25, the concrete spraying pressure is higher, the sprayed concrete and the sprayed accelerator are sprayed on a target together, and the concrete is quickly coagulated through the accelerator.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (9)
1. The accelerator storage and injection device for the concrete guniting vehicle comprises a vehicle bed plate (1), and is characterized in that: the device is characterized in that a vibrating screen mixing structure is fixedly connected to one side of the upper surface of the lathe plate (1), an electric speed reducer (4) is fixedly connected to the middle of the lower surface of the lathe plate (1), an adjusting groove (24) is formed in the middle of one side, close to the vibrating screen mixing structure, of the electric speed reducer (4), and a mixing stirring pipeline (6) is arranged at the position of the adjusting groove (24);
the vibrating screen mixing structure comprises a pressurizing rotor body (5), a stirring structure is arranged at the top of the pressurizing rotor body (5), and a vibrating screen structure is arranged above the stirring structure;
stirring structure is including stirring mixing bin (7) that the toper set up, stirring mixing bin (7) inner wall position rotation is connected with protection agitator (21) that are the toper setting, protection agitator (21) inner wall position fixedly connected with a plurality of evenly distributed's power blade (20), protection agitator (21) inner wall position fixedly connected with main back shaft (22) that the level set up, main back shaft (22) outer wall position through fixedly connected with stirring axle (23) that are the slope setting.
2. The accelerator storage and injection device for the concrete spraying vehicle according to claim 1, wherein a plurality of power blades (20) are arranged in a circular arc shape, a connecting tube seat (19) is fixedly connected to the outer wall of the stirring and mixing bin (7) in a penetrating manner, and the diameter of the connecting tube seat (19) is smaller than the distance between the two power blades (20).
3. The accelerator storage and injection device for the concrete spraying vehicle according to claim 1, wherein the vibrating screen structure comprises a vibrating screen disc (13), the bottom of the vibrating screen disc (13) is in conical arrangement, the conical position of the vibrating screen disc (13) is located at the inner side of the stirring and mixing bin (7), a plurality of uniformly distributed buffer springs (14) are fixedly connected between the vibrating screen disc (13) and the stirring and mixing bin (7), and the buffer springs (14) are compression springs.
4. The accelerator storage and injection device for the concrete spraying vehicle according to claim 3, wherein a waste discharge guide plate (12) is arranged at one side of the upper surface of the vibration sieve plate (13), and a vibration motor (15) is fixedly connected to one side of the upper surface of the vibration sieve plate (13) away from the waste discharge guide plate (12).
5. The accelerator storage and injection device for the concrete spraying vehicle according to claim 1, wherein an accelerator storage tank (2) is fixedly connected to one side of the upper surface of the lathe plate (1) far away from the pressurized rotor body (5), a control box body (17) is fixedly connected to the top position of the accelerator storage tank (2), and a control handle (16) is fixedly connected to the middle position of one side of the upper surface of the lathe plate (1) close to the accelerator storage tank (2).
6. The accelerator storage and injection device for the concrete spraying vehicle according to claim 1, wherein two groups of symmetrically arranged driving wheels (3) are arranged at the position of the electric speed reducer (4), a rotating shaft of the driving wheels (3) is connected with a power output end of the electric speed reducer (4), and the electric speed reducer (4) is a speed reducer based on a pneumatic motor.
7. The accelerator storage injection device for concrete spraying vehicle according to claim 5, wherein a pipeline clamping seat (18) is fixedly connected to the middle position of one side of the control box body (17), a gas collecting pipeline (10) is fixedly connected to the pipeline clamping seat (18) in a clamping mode, a first gas distributing pipe (8) and a second gas distributing pipe (9) are fixedly connected to the gas collecting pipeline (10) in a penetrating mode, control valves (11) are arranged at the connecting positions of the first gas distributing pipe (8) and the second gas distributing pipe (9) and the gas collecting pipeline (10), and one end, far away from the gas collecting pipeline (10), of the second gas distributing pipe (9) is connected with a connecting pipe seat (19) in a pipeline mode.
8. The accelerator storage and injection device for a concrete spraying vehicle according to claim 1, wherein: the mixing stirring pipeline (6) comprises an injection pipeline (25), a pipeline connecting hole (26) is formed in the outer wall of the injection pipeline (25) close to the vehicle bed board (1) in a penetrating mode, and the outer wall of the injection pipeline (25) is connected with the adjusting groove (24) in a damping rotation mode.
9. The accelerator storage injection device for concrete spraying vehicle according to claim 8, wherein a plurality of groups of uniformly distributed pipeline fixing seats (27) are fixedly connected to the inner wall position of the spraying pipeline (25), and accelerator spraying pipes (29) which are arranged in an L shape are fixedly clamped at the positions of each group of pipeline fixing seats (27), a throttling diaphragm (31) is fixedly connected to the inner wall position of each accelerator spraying pipe (29), an airflow pipeline (28) is obliquely and fixedly connected to the outer wall position of each accelerator spraying pipe (29), an airflow channel (30) is connected to the position of each airflow pipeline (28) in a pipeline manner, one end, away from each airflow pipeline (28), of each airflow channel (25) extends into the corresponding first air distribution pipe (8) and is fixedly connected to the inner wall of the corresponding first air distribution pipe (8).
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| CN202410049203.3A CN117552807B (en) | 2024-01-12 | 2024-01-12 | Accelerator storage and injection device for concrete spraying vehicle |
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| CN115648436A (en) * | 2022-10-31 | 2023-01-31 | 安徽理工大学 | Fiber concrete wet spraying operation system |
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| CN101487260A (en) * | 2009-02-12 | 2009-07-22 | 杭州求是支护器材有限公司 | Concrete sprayer with pneumatic conveyer |
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|---|---|
| CN117552807B (en) | 2024-04-12 |
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